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P Err Message.......FTL

So I'm very new to the sprinkler trade so here is the story.

A couple days ago I received the (P Err) code on my system controller. So after much swearing I chose to check the wiring on the valves. I found a set of wires that were twisted together out of the cover so I cut off the part that was dirty and re twisted it together then reinstalled it into the proper cap (which has a gel in it for insulation I assume). After that since it still didn't work I disconnected the station wires from the controller and didn't receive the message anymore so after that I manually ran each station by touching the proper wires to the proper terminal....here are the results.

well we checked power to all the wires at the valves and they were fine. then we noticed when we disconnected the common wire then did a manual test it would only work when we touched the wire to the terminal screw. then we hardwired the 24vac power wires too each station individually, they all worked therefore the disconnect is the controller.

I checked the station wires for power once activated and the only one that didn't have power was #1. Then we shot it at the solienoid and it shot good. Like I said the only conclusion that we could come up with was that the "Common" connection was faulty are intermittent. Manually they work like a champ so fingers crossed that the lightning strike fried the controller.